[Bug 67435] New: HDMI audio silent on Radeon Mobility HD4650

[Bug 67435] New: HDMI audio silent on Radeon Mobility HD4650

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

          Priority: medium
            Bug ID: 67435
          Assignee: dri-devel@lists.freedesktop.org
           Summary: HDMI audio silent on Radeon Mobility HD4650
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: kris@syntosis.net
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

I cannot get any audio through the HDMI port, internal speakers work as they
should. Kernel option is properly set, and everything is unmuted.

Audio worked fine in the 3.9 kernels, and stopped working somewhere in 3.10

Currently using 3.11-rc2 and still have the same issue.

relevant info from dmesg:
-------
Kernel command line: BOOT_IMAGE=/vmlinuz-3.11.0-rc2 radeon.dpm=1 radeon.audio=1
video=1360x768 rootfstype=btrfs root=/dev/sda3
[drm] Initialized drm 1.1.0 20060810
[drm] radeon kernel modesetting enabled.
[drm] initializing kernel modesetting (RV730 0x1002:0x9480 0x104D:0x9035).
[drm] register mmio base: 0xD0020000
[drm] register mmio size: 65536
radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M
used)
radeon 0000:01:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
[drm] Detected VRAM RAM=512M, BAR=256M
[drm] RAM width 128bits DDR
[drm] radeon: 512M of VRAM memory ready
[drm] radeon: 512M of GTT memory ready.
[drm] GART: num cpu pages 131072, num gpu pages 131072
[drm] Loading RV730 Microcode
[drm] PCIE GART of 512M enabled (table at 0x000000000025D000).
radeon 0000:01:00.0: WB enabled
radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000020000c00 and
cpu addr 0xffff88013856dc00
radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000020000c0c and
cpu addr 0xffff88013856dc0c
radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c598 and
cpu addr 0xffffc90010d9c598
[drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[drm] Driver supports precise vblank timestamp query.
radeon 0000:01:00.0: irq 50 for MSI/MSI-X
radeon 0000:01:00.0: radeon: using MSI.
[drm] radeon: irq initialized.
[drm] ring test on 0 succeeded in 1 usecs
[drm] ring test on 3 succeeded in 1 usecs
[drm] ring test on 5 succeeded in 1 usecs
[drm] UVD initialized successfully.
[drm] Enabling audio support
[drm] ib test on ring 0 succeeded in 0 usecs
[drm] ib test on ring 3 succeeded in 0 usecs
[drm] ib test on ring 5 succeeded
[drm:radeon_atombios_get_lvds_info] *ERROR* Bad LCD record 217
[drm] radeon atom DIG backlight initialized
[drm] Radeon Display Connectors
[drm] Connector 0:
[drm]   LVDS-1
[drm]   Encoders:
[drm]     LCD1: INTERNAL_UNIPHY2
[drm] Connector 1:
[drm]   VGA-1
[drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
[drm]   Encoders:
[drm]     CRT1: INTERNAL_KLDSCP_DAC1
[drm] Connector 2:
[drm]   HDMI-A-1
[drm]   HPD1
[drm]   DDC: 0x7f10 0x7f10 0x7f14 0x7f14 0x7f18 0x7f18 0x7f1c 0x7f1c
[drm]   Encoders:
[drm]     DFP1: INTERNAL_UNIPHY
[drm] radeon: dpm initialized
[drm] fb mappable at 0xC035F000
[drm] vram apper at 0xC0000000
[drm] size 4325376
[drm] fb depth is 24
[drm]    pitch is 5632
fbcon: radeondrmfb (fb0) is primary device
radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
radeon 0000:01:00.0: registered panic notifier
[drm] Initialized radeon 2.34.0 20080528 for 0000:01:00.0 on minor 0
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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Can you bisect?

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #2 from Kris Scott <kris@syntosis.net> ---
Will do, gonna take some time though. Kernel compiling is not the fastest.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #3 from Rafał Miłecki <zajec5@gmail.com> ---
You can also compare output of
avivotool regs hdmi
when using 3.9 and 3.10. That should give some hint.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #4 from Kris Scott <kris@syntosis.net> ---
Bisect complete:

b1f6f47e3e33c4a74534f1301aca241ffabbb3a0 is the first bad commit
commit b1f6f47e3e33c4a74534f1301aca241ffabbb3a0
Author: Alex Deucher <alexander.deucher@amd.com>
Date:   Thu Apr 18 10:50:55 2013 -0400

    drm/radeon: clean up audio dto programming

    Split into DCE2/3 and DCE4/5 variants. Still todo is to
    calculate the DTO dividers properly.  Add proper formula
    to the comments.

    Reviewed-by: Christian König <christian.koenig@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 b60cf880f2227596705391e71a56aaa12e1eb61c
a723f4928d1a20bcd0b5759077360f9342c9eecc M    drivers

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #5 from Rafał Miłecki <zajec5@gmail.com> ---
As I suggested earlier, can you provide output of "avivotool regs hdmi" before
and after this patch?

This way we will sure if registers are programmed and with what values.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #6 from Kris Scott <kris@syntosis.net> ---
Good:

RADEON_DAC_CNTL    00000000
RADEON_DAC_EXT_CNTL    00000000
RADEON_DAC_MACRO_CNTL    00000000
RADEON_DAC_CNTL2    00000000
RADEON_TV_DAC_CNTL    00000000
RADEON_DISP_OUTPUT_CNTL    00000000
RADEON_CONFIG_MEMSIZE    00000000
RADEON_AUX_SC_CNTL    804df8a8
RADEON_CRTC_EXT_CNTL    00000000
RADEON_CRTC_GEN_CNTL    00000000
RADEON_CRTC2_GEN_CNTL    00000000
RADEON_DEVICE_ID    00000000
RADEON_DISP_MISC_CNTL    00000000
RADEON_GPIO_MONID    00000000
RADEON_GPIO_MONIDB    00000000
RADEON_GPIO_CRT2_DDC    00000000
RADEON_GPIO_DVI_DDC    00000000
RADEON_GPIO_VGA_DDC    00000000
RADEON_LVDS_GEN_CNTL    00000000
RADEON_LVDS_PLL_CNTL    00000000
RADEON_FP_GEN_CNTL    00000000
RADEON_FP2_GEN_CNTL    00000000
RADEON_PPLL_CNTL    00000000
RADEON_PPLL_REF_DIV    00000000
RADEON_PPLL_DIV_3    00000000
RADEON_PIXCLKS_CNTL    00000000
RADEON_P2PLL_CNTL    00000000
RADEON_P2PLL_REF_DIV    00000000
RADEON_P2PLL_DIV_0    00000000
RADEON_VCLK_ECP_CNTL    00000000
RADEON_MEM_TIMING_CNTL    00000000
RADEON_TMDS_PLL_CNTL    00000000
RADEON_TMDS_TRANSMITTER_CNTL    00000000
RADEON_CRTC_MORE_CNTL    00000000
RADEON_FP_H_SYNC_STRT_WID    00000000
RADEON_FP_V_SYNC_STRT_WID    00000000
RADEON_FP_CRTC_H_TOTAL_DISP    00000000
RADEON_FP_CRTC_V_TOTAL_DISP    00000000
RADEON_FP_HORZ_STRETCH    00000000
RADEON_FP_VERT_STRETCH    00000000
RADEON_FP_HORZ_VERT_ACTIVE    00000000
RADEON_CRTC_H_TOTAL_DISP    00000004
RADEON_CRTC_H_SYNC_STRT_WID    18b8bebc
RADEON_CRTC_V_TOTAL_DISP    fffe0a02
RADEON_CRTC_V_SYNC_STRT_WID    00000000
RADEON_CRTC2_H_TOTAL_DISP    0200000f
RADEON_CRTC2_H_SYNC_STRT_WID    00000000
RADEON_CRTC2_V_TOTAL_DISP    00000100
RADEON_CRTC2_V_SYNC_STRT_WID    00000002

-----
Bad:

RADEON_DAC_CNTL    00000000
RADEON_DAC_EXT_CNTL    00000000
RADEON_DAC_MACRO_CNTL    00000000
RADEON_DAC_CNTL2    00000000
RADEON_TV_DAC_CNTL    00000000
RADEON_DISP_OUTPUT_CNTL    00000000
RADEON_CONFIG_MEMSIZE    00000000
RADEON_AUX_SC_CNTL    c045fab8
RADEON_CRTC_EXT_CNTL    00000000
RADEON_CRTC_GEN_CNTL    00000000
RADEON_CRTC2_GEN_CNTL    00000000
RADEON_DEVICE_ID    00000000
RADEON_DISP_MISC_CNTL    00000000
RADEON_GPIO_MONID    00000000
RADEON_GPIO_MONIDB    00000000
RADEON_GPIO_CRT2_DDC    00000000
RADEON_GPIO_DVI_DDC    00000000
RADEON_GPIO_VGA_DDC    00000000
RADEON_LVDS_GEN_CNTL    00000000
RADEON_LVDS_PLL_CNTL    00000000
RADEON_FP_GEN_CNTL    00000000
RADEON_FP2_GEN_CNTL    00000000
RADEON_PPLL_CNTL    00000000
RADEON_PPLL_REF_DIV    00000000
RADEON_PPLL_DIV_3    00000000
RADEON_PIXCLKS_CNTL    00000000
RADEON_P2PLL_CNTL    00000000
RADEON_P2PLL_REF_DIV    00000000
RADEON_P2PLL_DIV_0    00000000
RADEON_VCLK_ECP_CNTL    00000000
RADEON_MEM_TIMING_CNTL    00000000
RADEON_TMDS_PLL_CNTL    00000000
RADEON_TMDS_TRANSMITTER_CNTL    00000000
RADEON_CRTC_MORE_CNTL    00000000
RADEON_FP_H_SYNC_STRT_WID    00000000
RADEON_FP_V_SYNC_STRT_WID    00000000
RADEON_FP_CRTC_H_TOTAL_DISP    00000000
RADEON_FP_CRTC_V_TOTAL_DISP    00000000
RADEON_FP_HORZ_STRETCH    00000000
RADEON_FP_VERT_STRETCH    00000000
RADEON_FP_HORZ_VERT_ACTIVE    00000000
RADEON_CRTC_H_TOTAL_DISP    00000004
RADEON_CRTC_H_SYNC_STRT_WID    18b836bc
RADEON_CRTC_V_TOTAL_DISP    fffe0a02
RADEON_CRTC_V_SYNC_STRT_WID    00000000
RADEON_CRTC2_H_TOTAL_DISP    0200000f
RADEON_CRTC2_H_SYNC_STRT_WID    00000000
RADEON_CRTC2_V_TOTAL_DISP    00000100
RADEON_CRTC2_V_SYNC_STRT_WID    00000002

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #7 from Rafał Miłecki <zajec5@gmail.com> ---
Err, did you call "avivotool regs hdmi" as I asked?

It should return something like:

Audio clocks:
EVERGREEN_AUDIO_PLL1_MUL        00000000
EVERGREEN_AUDIO_PLL1_DIV        00000001
EVERGREEN_AUDIO_PLL1_UNK        00000070

which is the most interesting part for us.

Of course on R6xx hardware it won't start with EVERGREEN_*

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #8 from Kris Scott <kris@syntosis.net> ---
Oops, sorry, here you go.

Good:

Audio clocks:
R600_AUDIO_PLL1_MUL    00000000
R600_AUDIO_PLL1_DIV    00000000
R600_AUDIO_PLL2_MUL    00249f00
R600_AUDIO_PLL2_DIV    00714be8
R600_AUDIO_CLK_SRCSEL    00000001

Audio general:
R600_AUDIO_ENABLE    810000f0
R600_AUDIO_TIMING    00000170

Audio params:
R600_AUDIO_VENDOR_ID    1002aa01
R600_AUDIO_REVISION_ID    00100100
R600_AUDIO_ROOT_NODE_COUNT    00010001
R600_AUDIO_NID1_NODE_COUNT    00020002
R600_AUDIO_NID1_TYPE    00000001
R600_AUDIO_SUPPORTED_SIZE_RATE    00020070
R600_AUDIO_SUPPORTED_CODEC    00000001
R600_AUDIO_SUPPORTED_POWER_STATES    00000009
R600_AUDIO_NID2_CAPS    00000201
R600_AUDIO_NID3_CAPS    00400381
R600_AUDIO_NID3_PIN_CAPS    00000094

Audio conn list:
R600_AUDIO_CONN_LIST_LEN    00000001
R600_AUDIO_CONN_LIST    08060402

Audio verbs:
R600_AUDIO_RATE_BPS_CHANNEL    00004011
R600_AUDIO_PLAYING    00000010
R600_AUDIO_IMPLEMENTATION_ID    104d2e00
R600_AUDIO_CONFIG_DEFAULT    18560010
R600_AUDIO_PIN_SENSE    7fffffff
R600_AUDIO_PIN_WIDGET_CNTL    40404040
R600_AUDIO_STATUS_BITS    00000001

HDMI block at 0x7400:
00007400    00000011 (17)
00007404    00000000 (0)
00007408    00000010 (16)
0000740c    00010000 (65536)
00007410    00000000 (0)
00007414    00000000 (0)
00007418    00000000 (0)
0000741c    00000000 (0)
00007420    00000000 (0)
00007424    00000000 (0)
00007428    00000000 (0)
0000742c    00000000 (0)
00007430    00000000 (0)
00007434    00000000 (0)
00007438    00000000 (0)
0000743c    00000000 (0)
00007440    00000000 (0)
00007444    00000000 (0)
00007448    00000000 (0)
0000744c    00000000 (0)
00007450    00000000 (0)
00007454    00000000 (0)
00007458    00000000 (0)
0000745c    00000000 (0)
00007460    02000000 (33554432)
00007464    00000000 (0)
00007468    00000000 (0)
0000746c    00000000 (0)
00007470    00000000 (0)
00007474    00000000 (0)
00007478    00000000 (0)
0000747c    00000000 (0)
00007480    00000000 (0)
00007484    00000000 (0)
00007488    00000000 (0)
0000748c    00000000 (0)
00007490    00000000 (0)
00007494    00000000 (0)
00007498    00000000 (0)
0000749c    00000000 (0)
000074a0    00000000 (0)
000074a4    00000000 (0)
000074a8    00000000 (0)
000074ac    00000000 (0)
000074b0    00000000 (0)
000074b4    00000000 (0)
000074b8    00000000 (0)
000074bc    00000000 (0)
000074c0    00000000 (0)
000074c4    00000000 (0)
000074c8    00000000 (0)
000074cc    00000170 (368)
000074d0    00000000 (0)
000074d4    10000000 (268435456)
000074d8    00000000 (0)
000074dc    00000000 (0)
000074e0    00000000 (0)
000074e4    00000000 (0)
000074e8    00000000 (0)
000074ec    00000000 (0)

HDMI block at 0x7800:
00007800    00000011 (17)
00007804    00010000 (65536)
00007808    00030010 (196624)
0000780c    00001000 (4096)
00007810    00000031 (49)
00007814    00000033 (51)
00007818    00000202 (514)
0000781c    00000000 (0)
00007820    00000000 (0)
00007824    00000000 (0)
00007828    00000000 (0)
0000782c    00000000 (0)
00007830    00000000 (0)
00007834    00000000 (0)
00007838    00000000 (0)
0000783c    00000000 (0)
00007840    00000000 (0)
00007844    00000000 (0)
00007848    00000000 (0)
0000784c    00000000 (0)
00007850    00000000 (0)
00007854    00080065 (524389)
00007858    00000004 (4)
0000785c    00000000 (0)
00007860    00000000 (0)
00007864    00000000 (0)
00007868    00000000 (0)
0000786c    00000000 (0)
00007870    00000000 (0)
00007874    00000000 (0)
00007878    00000000 (0)
0000787c    00000000 (0)
00007880    00000000 (0)
00007884    00000000 (0)
00007888    00000000 (0)
0000788c    00000000 (0)
00007890    00000000 (0)
00007894    00000000 (0)
00007898    00000000 (0)
0000789c    00000000 (0)
000078a0    00000000 (0)
000078a4    00000000 (0)
000078a8    00000000 (0)
000078ac    1220a000 (304128000)
000078b0    00001000 (4096)
000078b4    14244000 (337920000)
000078b8    00001880 (6272)
000078bc    1220a000 (304128000)
000078c0    00001800 (6144)
000078c4    14242000 (337911808)
000078c8    00001880 (6272)
000078cc    00000170 (368)
000078d0    00000000 (0)
000078d4    00000000 (0)
000078d8    00000002 (2)
000078dc    00001100 (4352)
000078e0    00ffffff (16777215)
000078e4    007fffff (8388607)
000078e8    00000001 (1)
000078ec    00000001 (1)

--------
Bad:

Audio clocks:
R600_AUDIO_PLL1_MUL    00249f00
R600_AUDIO_PLL1_DIV    00714be8
R600_AUDIO_PLL2_MUL    00000000
R600_AUDIO_PLL2_DIV    00000000
R600_AUDIO_CLK_SRCSEL    00000000

Audio general:
R600_AUDIO_ENABLE    811000f0
R600_AUDIO_TIMING    00000070

Audio params:
R600_AUDIO_VENDOR_ID    1002aa01
R600_AUDIO_REVISION_ID    00100100
R600_AUDIO_ROOT_NODE_COUNT    00010001
R600_AUDIO_NID1_NODE_COUNT    00020002
R600_AUDIO_NID1_TYPE    00000001
R600_AUDIO_SUPPORTED_SIZE_RATE    00020070
R600_AUDIO_SUPPORTED_CODEC    00000001
R600_AUDIO_SUPPORTED_POWER_STATES    00000009
R600_AUDIO_NID2_CAPS    00000201
R600_AUDIO_NID3_CAPS    00400381
R600_AUDIO_NID3_PIN_CAPS    00000094

Audio conn list:
R600_AUDIO_CONN_LIST_LEN    00000001
R600_AUDIO_CONN_LIST    08060402

Audio verbs:
R600_AUDIO_RATE_BPS_CHANNEL    00000011
R600_AUDIO_PLAYING    00000010
R600_AUDIO_IMPLEMENTATION_ID    104d2e00
R600_AUDIO_CONFIG_DEFAULT    18560010
R600_AUDIO_PIN_SENSE    7fffffff
R600_AUDIO_PIN_WIDGET_CNTL    40404040
R600_AUDIO_STATUS_BITS    00000001

HDMI block at 0x7400:
00007400    00000011 (17)
00007404    00000000 (0)
00007408    00000010 (16)
0000740c    00010000 (65536)
00007410    00000000 (0)
00007414    00000000 (0)
00007418    00000000 (0)
0000741c    00000000 (0)
00007420    00000000 (0)
00007424    00000000 (0)
00007428    00000000 (0)
0000742c    00000000 (0)
00007430    00000000 (0)
00007434    00000000 (0)
00007438    00000000 (0)
0000743c    00000000 (0)
00007440    00000000 (0)
00007444    00000000 (0)
00007448    00000000 (0)
0000744c    00000000 (0)
00007450    00000000 (0)
00007454    00000000 (0)
00007458    00000000 (0)
0000745c    00000000 (0)
00007460    02000000 (33554432)
00007464    00000000 (0)
00007468    00000000 (0)
0000746c    00000000 (0)
00007470    00000000 (0)
00007474    00000000 (0)
00007478    00000000 (0)
0000747c    00000000 (0)
00007480    00000000 (0)
00007484    00000000 (0)
00007488    00000000 (0)
0000748c    00000000 (0)
00007490    00000000 (0)
00007494    00000000 (0)
00007498    00000000 (0)
0000749c    00000000 (0)
000074a0    00000000 (0)
000074a4    00000000 (0)
000074a8    00000000 (0)
000074ac    00000000 (0)
000074b0    00000000 (0)
000074b4    00000000 (0)
000074b8    00000000 (0)
000074bc    00000000 (0)
000074c0    00000000 (0)
000074c4    00000000 (0)
000074c8    00000000 (0)
000074cc    00000170 (368)
000074d0    00000000 (0)
000074d4    10000000 (268435456)
000074d8    00000000 (0)
000074dc    00000000 (0)
000074e0    00000000 (0)
000074e4    00000000 (0)
000074e8    00000000 (0)
000074ec    00000000 (0)

HDMI block at 0x7800:
00007800    00000011 (17)
00007804    00010000 (65536)
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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #9 from Rafał Miłecki <zajec5@gmail.com> ---
@Kris: thank you for you debugging! I hope this is last debugging request.

Can you boot not working (bad) kernel, connect HDMI display and then type:

avivotool regset 0x0524 0x00249f00
avivotool regset 0x0528 0x00714be8
avivotool regset 0x0534 0x00000001

I hope this will resume audio on your card, but I just want to be sure, before
asking Alex for getting more details on that.

If you could confirm that above 3 commands fix audio for you, it'd be great.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #10 from Kris Scott <kris@syntosis.net> ---
Yes, those fixed it. Thank you very much.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #11 from Alex Deucher <agd5f@yahoo.com> ---
Can you tell be the values of 0x7340, 0x7344, 0x520, and 0x530?
avivotool regmatch 0x7340
avivotool regmatch 0x7344
avivotool regmatch 0x520
avivotool regmatch 0x530

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #12 from Kris Scott <kris@syntosis.net> ---
0x7340    0x001b0018 (1769496)
0x7344    0x00000070 (112)
0x520    0x00000070 (112)
0x530    0x00000070 (112)

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #13 from Kris Scott <kris@syntosis.net> ---
That is also after I had changed the registers that Rafal asked me to change,
if it makes any difference.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #14 from Alex Deucher <agd5f@yahoo.com> ---
Can you boot back into the broken state and try this alternative fix:
avivotool regset 0x7344 0x00000170

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #15 from Kris Scott <kris@syntosis.net> ---
Tried it, that did not fix the sound.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #16 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83304
  --> https://bugs.freedesktop.org/attachment.cgi?id=83304&action=edit
fix

This patch should fix it.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #17 from Christian König <deathsimple@vodafone.de> ---
It's just a guess, but could you just try the following (without any patches):

avivotool regset 0x0514 0x00249f00

Does that helps as well?

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

--- Comment #18 from Kris Scott <kris@syntosis.net> ---
Alex: Checking in to confirm that your patch fixed the problem.

Christian: Changing that register had no effect.

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[Bug 67435] HDMI audio silent on Radeon Mobility HD4650

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https://bugs.freedesktop.org/show_bug.cgi?id=67435

madbiologist <madbiologist2016@outlook.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

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